UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011100.upa.cvt Date: 0000Z 11 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 11 JAN 26 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 94 70 11 SFC 998 110 -8.3 -10.3 85 2.0 -8.8 70 11 265.0 265.3 264.4 269.7 1.75 2 971 322 -8.3 -11.1 80 2.8 -9.1 70 17 267.1 267.4 265.8 271.7 1.68 3 965 370 -10.7 -13.2 82 2.5 -11.3 70 18 265.1 265.4 264.0 269.0 1.43 4 925 695 -12.5 -14.3 86 1.8 -12.9 70 27 266.5 266.7 264.8 270.3 1.36 5 897 929 -13.5 -15.0 88 1.5 -13.8 81 30 267.8 268.1 265.7 271.5 1.33 6 862 1234 -9.5 -10.4 93 0.9 -9.8 95 34 275.1 275.4 271.5 280.7 2.01 7 850 1342 -9.9 -10.7 94 0.8 -10.1 100 35 275.8 276.1 271.9 281.4 1.99 8 700 2830 -13.5 -16.9 75 3.4 -14.3 110 31 287.5 287.8 277.6 291.9 1.45 9 690 2939 -13.9 -17.1 77 3.2 -14.7 110 31 288.3 288.5 278.0 292.6 1.45 10 569 4380 -21.5 -23.8 82 2.3 -22.0 113 33 295.7 295.9 280.8 298.8 0.98 11 500 5320 -27.9 -29.8 84 1.9 -28.2 115 35 299.0 299.1 281.8 301.1 0.65 12 400 6890 -37.3 -39.3 82 2.0 -37.5 115 42 306.5 306.6 284.4 307.6 0.32 13 374 7351 -40.5 -42.6 80 2.1 -40.6 116 41 308.2 308.3 284.9 309.1 0.24 14 365 7515 -43.1 -44.9 82 1.8 -43.2 117 41 306.9 306.9 284.4 307.6 0.19 15 321 8370 -48.3 -50.2 81 1.9 -48.4 119 39 311.2 311.2 285.9 311.6 0.12 16 300 8810 -53.5 -55.8 76 2.3 -53.5 120 38 309.9 310.0 285.4 310.2 0.07 17 299 8832 -53.5 -55.9 75 2.4 -53.5 120 38 310.2 310.2 285.5 310.5 0.07 18 250 9960 -63.5 -66.2 70 2.7 -63.5 135 42 311.7 311.7 285.9 311.7 0.02 19 239 10234 -66.1 -68.9 68 2.8 -66.1 135 48 311.8 311.8 286.0 311.8 0.01 20 214 10901 -66.1 -69.0 67 2.9 -66.1 130 85 321.8 321.8 289.3 321.9 0.02 21 200 11310 -66.1 -69.0 67 2.9 -66.1 135 40 328.1 328.1 291.2 328.2 0.02 22 150 13080 -61.5 -64.4 68 2.9 -61.6 190 19 364.1 364.1 299.5 364.3 0.04 23 148 13163 -61.5 -64.5 67 3.0 -61.6 191 19 365.5 365.5 299.8 365.7 0.04 24 100 15550 -67.5 -70.9 62 3.4 -67.5 225 25 397.3 397.3 304.9 397.4 0.03 25 98 15670 -67.9 -71.3 62 3.4 -67.9 225 25 398.8 398.8 305.0 399.0 0.03 26 70 17660 -71.1 -74.5 60 3.4 -71.1 220 31 432.3 432.3 309.1 432.4 0.02 27 62 18370 -73.5 -77.2 57 3.7 -73.5 231 34 442.2 442.2 310.1 442.3 0.02 28 50 19620 -74.1 -77.9 56 3.8 -74.2 250 40 468.9 468.9 312.5 469.0 0.02 29 48 19858 -74.3 -78.1 56 3.8 -74.3 473.9 473.9 313.0 474.0 0.02 TRP 239 10234 -66.1 -68.9 68 2.8 -66.1 135 48 311.8 311.8 286.0 311.8 0.01 WND 214 10901 -66.1 -69.0 67 2.9 -66.1 130 85 321.8 321.8 289.3 321.9 0.02 Sounding variables and indices 1000-500 mb thick: 5226.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 83.10 % Est. max temperature: 2.61 C = 36.69 F Sfc-Lift cond lev (LCL): 966.53 mb = 358.15 m = 1175.01 ft T: -10.09 C 700-500 lapse rate: 5.78 C/km ThetaE index: 2.65 C Layer 965.0- 925.0 mb Conv cond level (CCL): 618.75 mb = 3753.80 m = 12315.45 ft Mean mixing ratio: 1.47 g/kg Conv temperature: 19.16 C = 66.49 F Cap Strength: 21.96 C Lifted Index: 23.70 C Risk: None Lifted Index @300 mb: 28.10 C Lifted Index @700 mb: 16.71 C Showalter Index: 14.97 C Risk: None Total Totals Index: 35.20 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 17.20 C K Index: 3.90 Risk: None Sweat Index: 105.00 Risk: None Energy Index: 4.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.53 J/kg Max Up Vert Vel: 3.88 m/s Conv Inhibition (B-): 32411.34 J/kg Cap Strength: 23.56 C Lift Cond Lev (LCL): 915.66 mb = 772.27 m = 2533.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 136 at 24 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 998 110 70 11 -10.3 -3.8 | 343 22 6.3 -21.1 1 925 695 70 27 -25.4 -9.2 | 18 28 -8.8 -26.5 2 850 1342 100 35 -34.5 6.1 | 58 21 -17.9 -11.2 3 700 2830 110 31 -29.1 10.6 | 62 14 -12.5 -6.7 4 500 5320 115 35 -31.7 14.8 | 81 15 -15.1 -2.5 5 400 6890 115 42 -38.1 17.7 | 91 21 -21.5 0.5 6 300 8810 120 38 -32.9 19.0 | 96 16 -16.3 1.7 7 250 9960 135 42 -29.7 29.7 | 133 18 -13.1 12.4 8 239 10234 135 48 -33.9 33.9 | 134 24 -17.3 16.7 9 214 10901 130 85 -65.1 54.6 | 128 61 -48.5 37.3 10 200 11310 135 40 -28.3 28.3 | 133 16 -11.7 11.0 11 150 13080 190 19 3.3 18.7 | 266 20 19.9 1.4 12 100 15550 225 25 17.7 17.7 | 269 34 34.3 0.4 13 70 17660 220 31 19.9 23.7 | 260 37 36.5 6.5 14 50 19620 250 40 37.6 13.7 | 274 54 54.2 -3.6 Wind Parameters Mean winds (0-6000m): 106.2 at 32.0 knts Storm direction: 136.2 at 24.0 knts Shear (0-3000m) pos: 3.5 neg: 2.3 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 80.6 deg Storm rel helicity (0-3000m) pos: 208.7 neg: 0.0 tot: 208.7 m^2/s^2 ave: 69.6 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 5.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.14 Bulk Shear: 55.54 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 70 18 0 23| 0.0 14.1 14.1| 79.3 0.0 79.3 158.5 0.93| 14.1 13.1 1000 75 23 15 24| 6.2 7.0 13.2|162.5 0.0 162.5 162.5 0.92| 13.9 12.8 1500 85 27 28 22| 6.4 4.7 11.1|202.3 0.0 202.3 134.9 0.90| 12.0 10.9 2000 91 29 35 21| 4.9 3.5 8.4|204.7 0.0 204.7 102.4 0.86| 9.6 8.3 2500 94 29 40 20| 4.0 2.8 6.9|206.2 0.0 206.2 82.5 0.82| 8.2 6.7 3000 97 30 43 19| 3.5 2.3 5.9|208.7 0.0 208.7 69.6 0.80| 7.1 5.7 4000 101 30 49 18| 2.9 1.8 4.6|216.1 0.0 216.1 54.0 0.81| 5.6 4.5 5000 104 31 54 17| 2.5 1.4 3.9|223.7 0.0 223.7 44.7 0.82| 4.7 3.8 6000 106 32 59 16| 2.2 1.3 3.5|233.4 0.0 233.4 38.9 0.80| 4.2 3.4 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260111.00.gif